1423763977 has 2 divisors, whose sum is σ = 1423763978. Its totient is φ = 1423763976.

The previous prime is 1423763921. The next prime is 1423763981. The reversal of 1423763977 is 7793673241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1406325001 + 17438976 = 37501^2 + 4176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423763977 - 2¹⁹ = 1423239689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1423763977.

It is not a weakly prime, because it can be changed into another prime (1423763177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711881988 + 711881989.

It is an arithmetic number, because the mean of its divisors is an integer number (711881989).

Almost surely, 2^1423763977 is an apocalyptic number.

It is an amenable number.

1423763977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423763977 is an equidigital number, since it uses as much as digits as its factorization.

1423763977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 49.

The square root of 1423763977 is about 37732.7971001356. The cubic root of 1423763977 is about 1124.9831047998.

The spelling of 1423763977 in words is "one billion, four hundred twenty-three million, seven hundred sixty-three thousand, nine hundred seventy-seven".